<!DOCTYPE html>

<html>
  <head>
    <meta charset="UTF-8" />
    <title>Stage 2</title>
  </head>
  <body>
    <script src="module-a.js"></script>
    <script src="module-b.js"></script>
    <script>
      moduleA.method1();
      moduleB.method1();
      // 模块成员依然可以被修改
      moduleB.data = "foo";
    </script>
  </body>
</html>
